<template>
	<view class="classlist">
		<view class="loadingLayout" v-if="!classList.length && !noData">
			<uni-load-more status="loading"></uni-load-more>
		</view>
		<view class="content">
			<navigator :url="'/pages/preview/preview?id=' + item._id" class="item"
			 v-for="item in classList" :key="item._id">
				<image :src="item.smallPicurl" mode="aspectFill"></image>
			</navigator>
		</view>
		<view class="loadingLayout" v-if="classList.length || noData">
			<uni-load-more :status="noData?'noMore':'loading'"></uni-load-more>
		</view>
		<view class="safe-area-inset-bottom"></view>
	</view>
</template>

<script setup>
import { ref } from 'vue';
import { apiGetClassList,apiGetHistoryList } from '@/api/apis.js'
import { onLoad, onUnload, onReachBottom, onShareAppMessage, onShareTimeline} from '@dcloudio/uni-app'
import { gotoHome } from '@/utils/common.js'

const classList = ref([]);
const noData = ref(false)

//获取分类列表网格数据
const getClassList = async()=>{
	let res;
	if(queryParams.classid) res = await apiGetClassList(queryParams);
	if(queryParams.type) res = await apiGetHistoryList(queryParams);

	classList.value = [...classList.value, ...res.data]
	if(queryParams.pageSize > res.data.length) noData.value = true;
	uni.setStorageSync("storageClassList",classList.value)
}

//定义data参数
const queryParams = {
	pageNum:1,
	pageSize:12
}

let pageName;

onLoad((e)=>{
	let { id=null,name=null,type=null} = e;
	if(type) queryParams.type = type;
	if(id) queryParams.classid = id;
	//if(!id) gotoHome();
	pageName = name;
	//修改导航标题
	uni.setNavigationBarTitle({
		title:pageName
	})
	//执行获取分类列表方法
	getClassList();
})

onUnload(()=>{
	uni.removeStorageSync("storageClassList")
})

//触底加载更多
onReachBottom(()=>{
	if(noData.value) return;
	queryParams.pageNum++;
	//执行获取分类列表方法
	getClassList();
})

//分享给好友
onShareAppMessage(e=>{
	return {
		title:"咸虾米壁纸-"+pageName,
		path:"pages/classlist/classlist?id=" + queryParams.classid + "&name=" + pageName
	}
})

//分享到朋友圈
onShareTimeline(e=>{
	return {
		title:"咸虾米壁纸-"+pageName,
		query:"id=" + queryParams.classid + "&name=" + pageName
	}
})

</script>

<style lang="scss" scoped>
.classlist {
	.content{
		display: grid;
		grid-template-columns: repeat(3,1fr);
		gap:5rpx;
		padding:5rpx;
		.item{
			height: 440rpx;
			image{
				width: 100%;
				height: 100%;
				display: block;
			}
		}

	}
}
</style>
